fate/lavf-container: add an AV1 in Matroska muxing test

Signed-off-by: James Almer <jamrial@gmail.com>

tests/fate/lavf-container.mak

@@ -57,6 +57,7 @@ FATE_AVCONV += $(FATE_LAVF_CONTAINER)
 fate-lavf-container fate-lavf: $(FATE_LAVF_CONTAINER)
 
 FATE_LAVF_CONTAINER_FATE-$(call ALLYES, IVF_DEMUXER AV1_PARSER MOV_MUXER)      += av1.mp4
+FATE_LAVF_CONTAINER_FATE-$(call ALLYES, IVF_DEMUXER AV1_PARSER MATROSKA_MUXER) += av1.mkv
 FATE_LAVF_CONTAINER_FATE-$(call ALLYES, H264_DEMUXER H264_PARSER MOV_MUXER)    += h264.mp4
 FATE_LAVF_CONTAINER_FATE-$(call ALLYES, MATROSKA_DEMUXER   OGG_MUXER)          += vp3.ogg
 FATE_LAVF_CONTAINER_FATE-$(call ALLYES, MATROSKA_DEMUXER   OGV_MUXER)          += vp8.ogg
@@ -71,6 +72,7 @@ $(FATE_LAVF_CONTAINER_FATE): REF = $(SRC_PATH)/tests/ref/lavf-fate/$(@:fate-lavf
 $(FATE_LAVF_CONTAINER_FATE): $(AREF) $(VREF)
 
 fate-lavf-fate-av1.mp4: CMD = lavf_container_fate "av1-test-vectors/av1-1-b8-05-mv.ivf" "" "-c:v copy"
+fate-lavf-fate-av1.mkv: CMD = lavf_container_fate "av1-test-vectors/av1-1-b8-05-mv.ivf" "" "-c:v copy"
 fate-lavf-fate-h264.mp4: CMD = lavf_container_fate "h264/intra_refresh.h264" "" "-c:v copy"
 fate-lavf-fate-vp3.ogg: CMD = lavf_container_fate "vp3/coeff_level64.mkv" "-idct auto"
 fate-lavf-fate-vp8.ogg: CMD = lavf_container_fate "vp8/RRSF49-short.webm" "" "-acodec copy"

tests/ref/lavf-fate/av1.mkv

+6604d339d44864be58b8580fe2fb52cc *tests/data/lavf-fate/lavf.av1.mkv
+55725 tests/data/lavf-fate/lavf.av1.mkv
+tests/data/lavf-fate/lavf.av1.mkv CRC=0x7c27cc15